oups

internal/panel/handlers/common.go

@@ -0,0 +1,91 @@
+package handlers
+
+import (
+	"html/template"
+	"net/http"
+
+	"github.com/leolionad58/ticketbot/internal/db"
+	panelauth "github.com/leolionad58/ticketbot/internal/panel/auth"
+)
+
+// ParseFunc is the signature of panel.ParseTemplates — injected to avoid import cycles.
+type ParseFunc func(names ...string) (*template.Template, error)
+
+// Renderer provides renderAuth and renderPage to handlers without importing the panel package.
+type Renderer struct {
+	parse        ParseFunc
+	getBotStatus func() BotStatus
+}
+
+// NewRenderer creates a Renderer backed by the given parse function.
+func NewRenderer(f ParseFunc) *Renderer { return &Renderer{parse: f} }
+
+// SetBotStatus wires a live bot-status function so BotOnline is set on every page.
+func (rnd *Renderer) SetBotStatus(fn func() BotStatus) { rnd.getBotStatus = fn }
+
+// base builds baseData with BotOnline populated from the live bot status.
+func (rnd *Renderer) base(r *http.Request, active string) baseData {
+	b := newBase(r, active)
+	if rnd.getBotStatus != nil {
+		b.BotOnline = rnd.getBotStatus().Online
+	}
+	return b
+}
+
+func (rnd *Renderer) Auth(w http.ResponseWriter, page string, data any) {
+	t, err := rnd.parse("auth_layout.html", page+".html")
+	if err != nil {
+		http.Error(w, "template error: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := t.ExecuteTemplate(w, "auth_layout", data); err != nil {
+		http.Error(w, "render error: "+err.Error(), http.StatusInternalServerError)
+	}
+}
+
+func (rnd *Renderer) Page(w http.ResponseWriter, page string, data any) {
+	t, err := rnd.parse("layout.html", page+".html")
+	if err != nil {
+		http.Error(w, "template error: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := t.ExecuteTemplate(w, "layout", data); err != nil {
+		http.Error(w, "render error: "+err.Error(), http.StatusInternalServerError)
+	}
+}
+
+type baseData struct {
+	CSRFToken  string
+	Admin      *db.PanelAdmin
+	ActivePage string
+	BotOnline  bool
+	Flash      string
+	Error      string
+}
+
+func newBase(r *http.Request, active string) baseData {
+	sess := panelauth.SessionFromContext(r.Context())
+	admin := panelauth.AdminFromContext(r.Context())
+	csrf := ""
+	if sess != nil {
+		csrf = sess.CSRFToken
+	}
+	return baseData{
+		CSRFToken:  csrf,
+		Admin:      admin,
+		ActivePage: active,
+		Flash:      r.URL.Query().Get("flash"),
+	}
+}
+
+func clientIP(r *http.Request) string {
+	if ip := r.Header.Get("X-Real-IP"); ip != "" {
+		return ip
+	}
+	if ip := r.Header.Get("X-Forwarded-For"); ip != "" {
+		return ip
+	}
+	return r.RemoteAddr
+}